<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>Document</title>
</head>
<body>
		<form action="./index.php" method="post">
			<input type="text" name="username"><br />		
			<input type="password" name="password"><br />
			<input type="submit" value="登录"><br />
		</form>

		<table border="1">
				<?php for ($i=9; $i >= 1 ; $i--) { 
					echo "<tr>";
					for ($j=1; $j <= $i ; $j++) { 
						if ($j%2==1) {
						echo "<td style='background:red'>";
					}
					else if ($j%2==0 && $i%2==1){
						echo "<td style='background:#0000FF'>";
					}
					else{
						echo "<td style='background:#D4DBED'>";
					}
						echo $j."*".$i."=".$i*$j;
					}
				} ?>
		</table>
		<br>

		<table>
				<?php for ($j=1; $j <= 6 ; $j++) { 
					echo "<br>";
					for ($i=1; $i <=11; $i++) { 
					echo "*";
					if (condition) {
						echo "<td>&nbsp;<td/>";
					}
					}
				} ?>
		</table>
</body>
</html>
